Trailer for The Last Gladiators. Academy Award winning Director Alex Gibney takes an unprecedented look at the National Hockey League s most feared enforcers and explores the career of Chris Knuckles Nilan. The role was simple: protect your teammates no matter the cost. For Chris this meant a shattered body, addiction to drugs, and harming the people closest to him. But in the process, he won the love of hockey s holy city, Montreal, and helped the team win the Stanley Cup. Through interviews with hockey s toughest guys, the film explores what it means to enforce the unspoken code of the NHL.